jp morgan was asked to turn over emails that may shed light on alleged market manipulation in california and the midwest. the bank turned over some documents, but is still under investigation. the firms call the allegations over-reaching and plan to fight back. big businesses are struggling to stay afloat after hurricane sandy. downed cell towers and power outages put a damper on cell use. verizon says the effect on its fourth-quarter results could be "significant." airlines lost $190 million. delta alone cancelled more than 3,500 flights, which cut $45 million in revenue last month. and about 300,000 auto dealerships were forced to close due to power outages. hyundai and kia are working to resolve a gas problem. both car companies admit overstating fuel effiency on the stickers in the windows on 900,000 vehicles. epa officials say the mileage was wrong and needs to be corrected. hyundai and kia are lowering the miles per gallon estimates on most 2012 and '13 models. the companies are offering gas cards to some customers. in ipo watch, restoration hardware and delek logistics hit the mar